Home / 8,321.18-12,476.84-2,773.04

Finding the Fourth Proportional to 8,321.18, 12,476.84 and 2,773.04

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Solution

The fourth proportional to 8,321.18, 12,476.84 and 2,773.04 is: 4,157.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321.18 : 12,476.84 = 2,773.04 : x
  2. Step 2: Convert to fraction form
    8,321.18/12,476.84 = 2,773.04/x
  3. Step 3: Cross multiply
    8,321.18x = 12,476.84 × 2,773.04
  4. Step 4: Simplify right side
    8,321.18x = 34,598,700.14
  5. Step 5: Solve for x
    x = 34,598,700.14/8,321.18
  6. Step 6: Final answer
    x = 4,157.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.